# Copyright 2016 Canonical Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from mock import patch import os import json import uuid from test_utils import CharmTestCase, patch_open with patch('hooks.charmhelpers.contrib.hardening.harden.harden') as mock_dec: mock_dec.side_effect = (lambda *dargs, **dkwargs: lambda f: lambda *args, **kwargs: f(*args, **kwargs)) with patch('hooks.lib.misc_utils.is_paused') as is_paused: with patch('hooks.lib.swift_storage_utils.register_configs') as _: import hooks.swift_storage_hooks as hooks from lib.swift_storage_utils import PACKAGES TO_PATCH = [ 'CONFIGS', # charmhelpers.core.hookenv 'Hooks', 'config', 'log', 'relation_set', 'relation_ids', 'relation_get', 'relations_of_type', # charmhelpers.core.host 'apt_update', 'apt_install', 'filter_installed_packages', # charmehelpers.contrib.openstack.utils 'configure_installation_source', 'openstack_upgrade_available', # swift_storage_utils 'determine_block_devices', 'do_openstack_upgrade', 'ensure_swift_directories', 'execd_preinstall', 'fetch_swift_rings', 'save_script_rc', 'setup_rsync', 'setup_storage', 'register_configs', 'update_nrpe_config', 'get_ipv6_addr', 'status_set', 'set_os_workload_status', 'os_application_version_set', 'add_to_updatedb_prunepath', ] class SwiftStorageRelationsTests(CharmTestCase): def setUp(self): super(SwiftStorageRelationsTests, self).setUp(hooks, TO_PATCH) self.config.side_effect = self.test_config.get self.relation_get.side_effect = self.test_relation.get def test_prunepath(self): hooks.config_changed() self.add_to_updatedb_prunepath.assert_called_with("/srv/node") def test_install_hook(self): self.test_config.set('openstack-origin', 'cloud:precise-havana') hooks.install() self.configure_installation_source.assert_called_with( 'cloud:precise-havana', ) self.assertTrue(self.apt_update.called) self.apt_install.assert_called_with(PACKAGES, fatal=True) self.assertTrue(self.setup_storage.called) self.assertTrue(self.execd_preinstall.called) def test_config_changed_no_upgrade_available(self): self.openstack_upgrade_available.return_value = False self.relations_of_type.return_value = False with patch_open() as (_open, _file): _file.read.return_value = "foo" hooks.config_changed() self.assertFalse(self.do_openstack_upgrade.called) self.assertTrue(self.CONFIGS.write_all.called) self.assertTrue(self.setup_rsync.called) def test_config_changed_upgrade_available(self): self.openstack_upgrade_available.return_value = True self.relations_of_type.return_value = False with patch_open() as (_open, _file): _file.read.return_value = "foo" hooks.config_changed() self.assertTrue(self.do_openstack_upgrade.called) self.assertTrue(self.CONFIGS.write_all.called) def test_config_changed_with_openstack_upgrade_action(self): self.openstack_upgrade_available.return_value = True self.test_config.set('action-managed-upgrade', True) with patch_open() as (_open, _file): _file.read.return_value = "foo" hooks.config_changed() self.assertFalse(self.do_openstack_upgrade.called) def test_config_changed_nrpe_master(self): self.openstack_upgrade_available.return_value = False self.relations_of_type.return_value = True with patch_open() as (_open, _file): _file.read.return_value = "foo" hooks.config_changed() self.assertTrue(self.CONFIGS.write_all.called) self.assertTrue(self.setup_rsync.called) self.assertTrue(self.update_nrpe_config.called) @patch.object(hooks, 'assert_charm_supports_ipv6') def test_config_changed_ipv6(self, mock_assert_charm_supports_ipv6): self.test_config.set('prefer-ipv6', True) self.openstack_upgrade_available.return_value = False self.relations_of_type.return_value = False with patch_open() as (_open, _file): _file.read.return_value = "foo" hooks.config_changed() self.assertTrue(self.CONFIGS.write_all.called) self.assertTrue(self.setup_rsync.called) @patch.object(hooks, 'ensure_devs_tracked') def test_upgrade_charm(self, mock_ensure_devs_tracked): self.filter_installed_packages.return_value = [ 'python-psutil'] hooks.upgrade_charm() self.apt_install.assert_called_with([ 'python-psutil'], fatal=True) self.assertTrue(self.update_nrpe_config.called) self.assertTrue(mock_ensure_devs_tracked.called) @patch('hooks.lib.swift_storage_utils.get_device_blkid', lambda dev: str(uuid.uuid4())) @patch.object(hooks.os, 'environ') @patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True) @patch.object(hooks, 'relation_set') @patch('hooks.lib.swift_storage_utils.local_unit') @patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: []) @patch('hooks.lib.swift_storage_utils.KVStore') @patch.object(uuid, 'uuid4', lambda: 'a-test-uuid') def _test_storage_joined_single_device(self, mock_kvstore, mock_local_unit, mock_rel_set, mock_environ, env_key): test_uuid = uuid.uuid4() test_environ = {env_key: test_uuid} mock_environ.get.side_effect = test_environ.get mock_local_unit.return_value = 'test/0' kvstore = mock_kvstore.return_value kvstore.__enter__.return_value = kvstore kvstore.get.return_value = None self.determine_block_devices.return_value = ['/dev/vdb'] hooks.swift_storage_relation_joined() mock_rel_set.assert_called_with( relation_id=None, device='vdb', object_port=6000, account_port=6002, zone=1, container_port=6001 ) kvstore.get.return_value = None rel_settings = {} def fake_kv_set(key, value): rel_settings[key] = value kvstore.set.side_effect = fake_kv_set def fake_kv_get(key): return rel_settings.get(key) kvstore.get.side_effect = fake_kv_get devices = {"vdb@%s" % (test_uuid): {"status": "active", "blkid": 'a-test-uuid'}} kvstore.set.assert_called_with(key='devices', value=json.dumps(devices)) def test_storage_joined_single_device_juju_1(self): '''Ensure use of JUJU_ENV_UUID for Juju < 2''' self._test_storage_joined_single_device(env_key='JUJU_ENV_UUID') def test_storage_joined_single_device_juju_2(self): '''Ensure use of JUJU_MODEL_UUID for Juju >= 2''' self._test_storage_joined_single_device(env_key='JUJU_MODEL_UUID') @patch('hooks.lib.swift_storage_utils.get_device_blkid', lambda dev: '%s-blkid-uuid' % os.path.basename(dev)) @patch.object(hooks.os, 'environ') @patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True) @patch.object(hooks, 'relation_set') @patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: []) @patch('hooks.lib.swift_storage_utils.KVStore') @patch.object(uuid, 'uuid4', lambda: 'a-test-uuid') def test_storage_joined_ipv6(self, mock_kvstore, mock_rel_set, mock_environ): kvstore = mock_kvstore.return_value kvstore.__enter__.return_value = kvstore kvstore.get.return_value = None self.determine_block_devices.return_value = ['/dev/vdb'] self.test_config.set('prefer-ipv6', True) self.get_ipv6_addr.return_value = ['2001:db8:1::1'] hooks.swift_storage_relation_joined() args = { 'relation_id': None, 'device': 'vdb', 'object_port': 6000, 'account_port': 6002, 'zone': 1, 'container_port': 6001, 'private-address': '2001:db8:1::1', } mock_rel_set.assert_called_with(**args) kvstore.get.assert_called_with(key='devices') @patch('hooks.lib.swift_storage_utils.get_device_blkid', lambda dev: '%s-blkid-uuid' % os.path.basename(dev)) @patch.object(hooks.os, 'environ') @patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True) @patch('hooks.lib.swift_storage_utils.local_unit') @patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: []) @patch('hooks.lib.swift_storage_utils.KVStore') @patch.object(uuid, 'uuid4', lambda: 'a-test-uuid') def test_storage_joined_multi_device(self, mock_kvstore, mock_local_unit, mock_environ): test_uuid = uuid.uuid4() test_environ = {'JUJU_ENV_UUID': test_uuid} mock_environ.get.side_effect = test_environ.get self.determine_block_devices.return_value = ['/dev/vdb', '/dev/vdc', '/dev/vdd'] mock_local_unit.return_value = 'test/0' kvstore = mock_kvstore.return_value kvstore.__enter__.return_value = kvstore kvstore.get.return_value = None rel_settings = {} def fake_kv_set(key, value): rel_settings[key] = value kvstore.set.side_effect = fake_kv_set def fake_kv_get(key): return rel_settings.get(key) kvstore.get.side_effect = fake_kv_get hooks.swift_storage_relation_joined() devices = {"vdb@%s" % (test_uuid): {"status": "active", "blkid": 'vdb-blkid-uuid'}, "vdd@%s" % (test_uuid): {"status": "active", "blkid": 'vdd-blkid-uuid'}, "vdc@%s" % (test_uuid): {"status": "active", "blkid": 'vdc-blkid-uuid'}} kvstore.set.assert_called_with( key='devices', value=json.dumps(devices) ) @patch('hooks.lib.swift_storage_utils.get_device_blkid', lambda dev: '%s-blkid-uuid' % os.path.basename(dev)) @patch.object(hooks.os, 'environ') @patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True) @patch('hooks.lib.swift_storage_utils.local_unit') @patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: []) @patch('hooks.lib.swift_storage_utils.KVStore') def test_storage_joined_dev_exists_unknown_juju_env_uuid(self, mock_kvstore, mock_local_unit, mock_environ): test_uuid = uuid.uuid4() test_environ = {'JUJU_ENV_UUID': test_uuid} mock_environ.get.side_effect = test_environ.get self.determine_block_devices.return_value = ['/dev/vdb', '/dev/vdc', '/dev/vdd'] mock_local_unit.return_value = 'test/0' kvstore = mock_kvstore.return_value kvstore.__enter__.return_value = kvstore kvstore.get.return_value = None store = {'vdb@%s' % (uuid.uuid4()): {"status": "active", "blkid": 'vdb-blkid-uuid'}} def fake_kv_set(key, value): store[key] = value kvstore.set.side_effect = fake_kv_set def fake_kv_get(key): return store.get(key) kvstore.get.side_effect = fake_kv_get hooks.swift_storage_relation_joined() devices = {"vdb@%s" % (test_uuid): {"status": "active", "blkid": 'vdb-blkid-uuid'}, "vdd@%s" % (test_uuid): {"status": "active", "blkid": 'vdd-blkid-uuid'}, "vdc@%s" % (test_uuid): {"status": "active", "blkid": 'vdc-blkid-uuid'}} kvstore.set.assert_called_with( key='devices', value=json.dumps(devices) ) @patch('sys.exit') def test_storage_changed_missing_relation_data(self, exit): hooks.swift_storage_relation_changed() exit.assert_called_with(0) def test_storage_changed_with_relation_data(self): self.test_relation.set({ 'swift_hash': 'foo_hash', 'rings_url': 'http://swift-proxy.com/rings/', }) hooks.swift_storage_relation_changed() self.CONFIGS.write.assert_called_with('/etc/swift/swift.conf') self.fetch_swift_rings.assert_called_with( 'http://swift-proxy.com/rings/' ) @patch('sys.argv') def test_main_hook_missing(self, _argv): hooks.main() self.assertTrue(self.log.called)